Serena

const std = @import("std"); const calculator = @import("calculator.zig"); const math_utils = @import("math_utils.zig"); pub fn main() !void { const stdout = std.io.getStdOut().writer(); const calc = calculator.Calculator.init(); const sum = calc.add(10, 5); const diff = calc.subtract(10, 5); const prod = calc.multiply(10, 5); const quot = calc.divide(10, 5) catch |err| { try stdout.print("Division error: {}\n", .{err}); return; }; try stdout.print("10 + 5 = {}\n", .{sum}); try stdout.print("10 - 5 = {}\n", .{diff}); try stdout.print("10 * 5 = {}\n", .{prod}); try stdout.print("10 / 5 = {}\n", .{quot}); const factorial_result = math_utils.factorial(5); try stdout.print("5! = {}\n", .{factorial_result}); const is_prime = math_utils.isPrime(17); try stdout.print("Is 17 prime? {}\n", .{is_prime}); } pub fn greeting(name: []const u8) []const u8 { return std.fmt.allocPrint(std.heap.page_allocator, "Hello, {s}!", .{name}) catch "Hello!"; }